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<div class="titlepage"><div><div><h5 class="title">
<a name="spirit.qi.quick_reference.qi_parsers.directive"></a><a class="link" href="directive.html" title="Parser Directives">Parser
          Directives</a>
</h5></div></div></div>
<div class="informaltable"><table class="table">
<colgroup>
<col>
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</colgroup>
<thead><tr>
<th>
                    <p>
                      Expression
                    </p>
                  </th>
<th>
                    <p>
                      Attribute
                    </p>
                  </th>
<th>
                    <p>
                      Description
                    </p>
                  </th>
</tr></thead>
<tbody>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/lexeme.html" title="Parser Directive Inhibiting Skipping (lexeme[])"><code class="computeroutput"><span class="identifier">lexeme</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Disable skip parsing for <code class="computeroutput"><span class="identifier">a</span></code>,
                      does pre-skipping
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/no_skip.html" title="Parser Directive Inhibiting Skipping Without Pre-skip (no_skip[])"><code class="computeroutput"><span class="identifier">no_skip</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code></a>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Disable skip parsing for <code class="computeroutput"><span class="identifier">a</span></code>,
                      no pre-skipping
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/no_case.html" title="Parser Directive Inhibiting Case Sensitivity (no_case[])"><code class="computeroutput"><span class="identifier">no_case</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Inhibits case-sensitivity for <code class="computeroutput"><span class="identifier">a</span></code>
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/omit.html" title="Parser Directive Ignoring Attribute (omit[])"><code class="computeroutput"><span class="identifier">omit</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">Unused</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Ignores the attribute type of <code class="computeroutput"><span class="identifier">a</span></code>
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/matches.html" title="Directive Testing if Parser Succeeded (matches[])"><code class="computeroutput"><span class="identifier">matches</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="keyword">bool</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Return if the embedded parser <code class="computeroutput"><span class="identifier">a</span></code>
                      matched its input
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/as.html" title="Parser Directives Forcing Atomic Assignment (as&lt;T&gt;, as_string[], as_wstring[])"><code class="computeroutput"><span class="identifier">as</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;[]</span></code></a><code class="computeroutput"><span class="special">()[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Force atomic assignment for arbitrary attribute types
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/as.html" title="Parser Directives Forcing Atomic Assignment (as&lt;T&gt;, as_string[], as_wstring[])"><code class="computeroutput"><span class="identifier">as_string</span><span class="special">[]</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Force atomic assignment for string attributes
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/as.html" title="Parser Directives Forcing Atomic Assignment (as&lt;T&gt;, as_string[], as_wstring[])"><code class="computeroutput"><span class="identifier">as_wstring</span><span class="special">[]</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Force atomic assignment for wide character string attributes
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/raw.html" title="Directive for Transduction Parsing (raw[])"><code class="computeroutput"><span class="identifier">raw</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <a href="../../../../../../../../libs/range/doc/html/range/reference/utilities/iterator_range.html" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">iterator_range</span></code></a><code class="computeroutput"><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Presents the transduction of <code class="computeroutput"><span class="identifier">a</span></code>
                      as an iterator range
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/expect.html" title="Expectation Directive (expect[])"><code class="computeroutput"><span class="identifier">expect</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Throw an exception if parsing <code class="computeroutput"><span class="identifier">a</span></code>
                      fails
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/repeat.html" title="Repetition Parser Directive (repeat[])"><code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code></a>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Repeat <code class="computeroutput"><span class="identifier">a</span></code> zero
                      or more times
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/repeat.html" title="Repetition Parser Directive (repeat[])"><code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code></a>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> times
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/repeat.html" title="Repetition Parser Directive (repeat[])"><code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">,</span>
                      <span class="identifier">M</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code></a>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> to <code class="computeroutput"><span class="identifier">M</span></code>
                      times
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/repeat.html" title="Repetition Parser Directive (repeat[])"><code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">N</span><span class="special">,</span>
                      <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code></a>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">A</span><span class="special">&gt;</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Repeat <code class="computeroutput"><span class="identifier">a</span></code> <code class="computeroutput"><span class="identifier">N</span></code> or more times
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/skip.html" title="Parser Directive Re-Establishing Skipping (skip[])"><code class="computeroutput"><span class="identifier">skip</span></code></a><code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Re-establish the skipper that got inhibited by lexeme or no_skip.
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../../reference/directive/skip.html" title="Parser Directive Re-Establishing Skipping (skip[])"><code class="computeroutput"><span class="identifier">skip</span></code></a><code class="computeroutput"><span class="special">(</span><span class="identifier">p</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">A</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Use <code class="computeroutput"><span class="identifier">p</span></code> as a
                      skipper for parsing <code class="computeroutput"><span class="identifier">a</span></code>
                    </p>
                  </td>
</tr>
</tbody>
</table></div>
<p>
            ]
          </p>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2011 Joel de Guzman, Hartmut Kaiser<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
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